imaginary ellipsoid

The area bounded by the elliptical stress path was kept unchanged while the amplitude of the axial and torsional shear stresses were varied to study the effect of two components on the strength and deformation behavior of saturated loose .

试验在保证椭圆面积不变的情况下,分别变化竖向和扭转向的荷载分量幅值,以此来探讨双向耦合剪切试验中各个分量的变化对饱和松砂的循环强度特性的影响。

Considering the actual method for drawing the developmental figure of the elliptic cone requiring analytical deriving and parametrical programming, two design methods based on AutoCAD are introduced in this paper, and a programming method by using AutoLISP provided by AutoCAD is also developed to meet the need of the precision of engineering designing and number-controlling manufacture.

针对目前椭圆锥面展开CAD需要近似解析推导公式和参数化编程的情况,直接组合利用AutoCAD软件的命令工具,提出了两种椭圆锥面展开CAD的方法,同时也可利用AutoCAD软件平台提供的AutoLISP开发工具进行编程来满足工程设计与数控加工更高精度的需要。

With the computer simulation,the elliptic section cylinder lenses have been designed and used to collimate the semi-conductor laser beam .

利用计算机仿真,设计了相互垂直的椭圆截面柱透镜组来准直半导体激光束。

The formula of th stress calculation of the elbows with elliptic section whose thickness is nonuniform, with the modal of superimpose, is proposed in this paper.

文中利用叠加模型 ,提出了椭圆截面变厚度弯管的应力计算公式 ,并通过自行设计的管系得到实验验证 ;同时推荐使用半椭圆表面裂纹的应力强度因子和直管曲率修正的计算表达式 ,通过对 1 2 Cr1 Mo V钢的抗疲劳性能测试 ,验证了推荐公式比实测有 8～ 1 0的安全系数 ,符合工程要求。

Information Fusion of Two Sections Based on the Area of a Vector Ellipse and its Application

基于矢椭圆面积的双截面信息融合及其应用

Analytical Model for Cross-Sectional Area of Workpiece in Round-Oval-Round Pass Sequence in Bar Rolling

棒材轧制圆-椭圆-圆孔型中轧件面积计算模型

Area Formula of the Polygon of Inscribed or Circumscribed Ellipse;

椭圆内接(外切)多边形的面积公式

Application of Affine Nature in the Demand of Maximum Area of Inscribed Triangle Within the Ellipse

仿射性质求椭圆内接三角形的最大面积

A geometric surface, all of whose plane sections are either ellipses or circles.

椭球，椭面其所有切面都是椭圆或圆一种几何面

ellipticblade sectio

椭圆叶片截面椭圆桨叶截面

incomplete elliptic integral of the first kind

第一类不完全椭圆积分

complete elliptic integral of the first kind

第一类完全椭圆积分

complete elliptic integral of the second kind

第二类完全椭圆积分

minimum ellipse of a hyperboloid of one sheet

单叶双曲面的最小椭圆

On Some Fixed Value Theorems for Directed Areas in Elliptic Circumscribed Polygons and Their Applications

椭圆类二次曲线外切多边形中有向面积的定值定理及其应用

a surface whose plane sections are all ellipses or circles.

截面都是椭圆或圆的表面。

In the equation E (k) is the complete elliptical integral of the second kind.

式中，E（k）为第二类完全椭圆形积分。

Algorithms for a Vertex-Centered Covolume Method for Indefinite Elliptic Problem;

不定椭圆问题有限体积法的算法研究

Ellipsometric Study on Colored Electroplating of Cuprous Oxide on Ni Substrate

镍基彩色电沉积Cu_2O椭圆偏振光谱研究

The particle motion is elliptical retrograde in contrast to elliptical direct orbit for surface waves on water.

质点的运动是椭圆倒转，而不是象水上的面波那样的椭圆正转。

the acceleration toward the center that holds a satellite in elliptical orbit.

在卫星椭圆轨道上面向中心的加速度。

Drawing the Intersection Line of Two Quadric by the Method of Ellipse Arc Projection and Topological Transformation;

椭圆投射和拓扑变换解两曲面相贯线